Home / 1,318,319.10-1,977,478.65-608,137.02

Finding the Fourth Proportional to 1,318,319.10, 1,977,478.65 and 608,137.02

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Solution

The fourth proportional to 1,318,319.10, 1,977,478.65 and 608,137.02 is: 912,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,319.10 : 1,977,478.65 = 608,137.02 : x
  2. Step 2: Convert to fraction form
    1,318,319.10/1,977,478.65 = 608,137.02/x
  3. Step 3: Cross multiply
    1,318,319.10x = 1,977,478.65 × 608,137.02
  4. Step 4: Simplify right side
    1,318,319.10x = 1,202,577,973,324.62
  5. Step 5: Solve for x
    x = 1,202,577,973,324.62/1,318,319.10
  6. Step 6: Final answer
    x = 912,205.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.